MakeUseOf Answers is a Q&A forum. Our community solves your questions about anything related to the Internet and computers. It's free. Ask A QuestionQuestions tagged "clean registry" All questions Resolved Unresolved What is the best PC cleanup software? Does CCleaner uninstall programs including the registry entries and other supporting files? How can I fix “Error 19″ when I try to use my optical drive? What’s the best free uninstaller for cleaning up registry entries from old software? What are good registry cleaners other than CCleaner and how can I speed up my PC?